This tutorial of Robo India explain how a 4X4 Matrix Keypad (16 Buttons Keyboard) can be attached to Arduino. 1. Introduction: A step by step illustrated tutorial to explain how to embed a 16 buttons 4X4 Keypad matrix to Arduino. All these buttons are connected to each other in a form of 4X4 matrix in […]

This tutorial is to explain how to use a 16×2 character LCD on Arduino board. Tutorial is explained through circuits and sketches. This tutorial is based upon LiquidCrystal Library of Arduino. 1. Introduction: This tutorial is for 16×2 character LCD (Hitachi HD44780 driver based.) This tutorial uses original LiquidCrystal Library. Here is Arduino’s official reference

This tutorial of Robo India explain the working concept of Ultrasonic range sensor. This tutorial is based on easy to use Library. Various built in function of the library gives ease of use to HC-SR04 Ultra sonic range sensor. 1. Introduction: A step by step illustrated tutorial to use Utrasonic Range Sensor HC-SR04 on Arduino. lets

This tutorial explain the switching concept for 220V AC devices. It uses Arduino platform and RoboIndia\’s 12V DC relay breakout board. Disclaimer: You have to be careful with 220V AC supply, Robo India is not responsible for any mishappening.  1. Introduction:  This tutorial explains switching 220V AC device with a 12V DC relay. This tutorial also

This tutorial explains basic concepts of arduino. Digital input and digital output. Digital input is taken through push button and that is detected by Arduino. This input is processes by Arduino and it send digital command to attached LED. When the button is pressed LED glows. 1. Introduction: A step by step illustrated basic tutorial

This tutorial explains all you need about RGB LED and Arduino. You can set any color to RGB LED and can transform from one color to another with different speed. This Tutorial includes Header file for RGB control and that makes it very easy to use. 1. Introduction: A step by step illustrated basic tutorial

This tutorial explains how to take analog output from Arduino. One of the basic tutorials for Arduino. The output is taken on a LED that fades in and fades out. The video of output is also included. 1. Introduction: A step by step illustrated very basic tutorial for Arduino. Here we are taking analog output

This tutorial explains how to take digital output from Arduino. One of the basic tutorials for Arduino. The output is taken on a LED that blinks for an interval of 1 second. 1. Introduction: A step by step illustrated very basic tutorial for Arduino. Here we are taking digital output on a LED. This LED